Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2017

Payables and Accruals [Abstract]

Accrued Liabilities

Accrued liabilities consisted of the following at September 30, 2017 and December 31, 2016 (in thousands):

	2017		2016
Accrued salaries, benefits and bonus	$	7,861	$	6,474
Accrued professional, consulting and lobbying	2,225		3,673
Accrued warranty expense	719		780
Accrued income and other taxes	5,082		4,581
Other accrued liabilities	6,544		2,740
Accrued liabilities	$	22,431	$	18,248